T-Spec FDB-124M

Mini ANL fused distribution block — 1/0- to 4-gauge input, two 4- to 8-gauge outputs (fuses not included)

Item #: 120FDB124M

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7 Reviews

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Distributes power safely and neatly

This compact distribution block from T-Spec will handle the high-current power distribution for your multi-amp sound system, ensuring that your wiring's connected securely, looking neat, and safely fused. The set screws for the fuses have specially-designed heads that accept many common tools, even a coin, so you will always be able to change your fuse without having to carry around a special tool. Solid black nickel-plated brass construction ensures reliable power flow, and an impact-resistant plastic cover keeps the fuses and connections clean. You'll need Allen head wrenches to install this block. (Fuses sold separately.) Warranty: 1 year.

T-Spec FDB-124M Reviews

Average Customer Review:

7 reviews
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Fused distribution bloCk

Written By ALGIE, Virginia on Sunday, October 04, 2015

Crutchfield Customer Review (What's this?)

Nice and compact and works great!!!

Great fused distribution block

Written By Connor G., Colleyville, Texas on Monday, January 19, 2015

Crutchfield Customer Review (What's this?)

The distribution block came packaged very nicely and had no troubles figuring out the install!

Pros: Allows you to fuse your system at the distribution block, I had a seperate fuse holder in my system but with this you're able to have different fuse sizes on each side specifically for each amps fuse requirements.

Cons: Was not completely descriptive that it had to have mini anl fuses

Good Product

Written By Sam, Furlong, PA on Wednesday, June 25, 2014

Crutchfield Customer Review (What's this?)

Overall a good product. Good construction and made with high quality parts

Cons: The input does not fit a 4 gauge wire as stated.

Great Product

Written By Berto, Kissimmee Florida on Friday, February 28, 2014

Crutchfield Customer Review (What's this?)

Works Great. Also Great in size

T-Spec FDB-124M

Written By Shawn, Stanardsville, va on Tuesday, August 06, 2013

Very useful

duel battery setup

Written By Anonymous, maryland on Saturday, July 27, 2013

Crutchfield Customer Review (What's this?)

The exception of losing one of the fuse mounting screws and having to find the odd metric size replacement locally this product is great. I am using it for a dual battery setup somewhat in Reverse of the planned way (I have this protecting the battery from the isolator on one side and also fused to a large aux fuse block on the other with the large cable going to the aux battery. It works perfect for my uses and the fuses come in the sizes I need to protect my equipment

Pros: price, functionality

Cons: odd metric screw size if you loose one.

Small and perfect

Written By Rampagerich, Bear, DE on Friday, July 12, 2013

Crutchfield Customer Review (What's this?)

Small and perfect for my Saab

Pros: Small

Cons: Nothing

Hands-on research

What's in the box?

  • Distribution block for MANL fuses with one 1/0 AWG set-screw input and two 4/8 AWG set-screw outputs
  • Plastic cover (attached)

Product Research


Overview: This package includes a T-Spec compact 2-position, distribution block that will accept MANL fuses (not included). The solid brass construction gives you maximum conductivity. The distribution block has a flat-black finish, and is installed inside an impact-resistant polycarbonate cover with a translucent removable cover. The cover has a small footprint, with two holes in the base for mounting with screws or wire ties.

Configuration: The distribution block has one 1/0 AWG input, and two outputs for 4 AWG or 8 AWG wires. Each output requires a MANL (mini ANL) fuse (not included).

Set Screws: The wire connections are secured with set screws. A 3mm Allen wrench is required to tighten or loosen the set screws.

Universal Screw Design: The fuses are secured to the distribution block with Universal style screws to let you change fuses fast. The Universal screws can be tightened or loosened with a flat-head screwdriver, a coin, or a 3mm Allen wrench.

Our Product Research Team

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